Given, and is a quadratic polynomial with leading coefficient unity. Statement I…

MATHEMATICS · Subjective · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Given, f(x)=sin⁡3xf(x) = \sin^3 x and P(x)P(x) is a quadratic polynomial with leading coefficient unity. Statement I ∫02πP(x)⋅f′′(x)dx\int_{0}^{2\pi} P(x) \cdot f''(x) dx vanishes. Statement II ∫02πf(x)dx\int_{0}^{2\pi} f(x) dx vanishes.

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